Finding the Fourth Proportional to 5,460,602.40, 8,190,903.60 and 5,124,023.10
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Solution
The fourth proportional to 5,460,602.40, 8,190,903.60 and 5,124,023.10 is: 7,686,034.65
Step by Step Solution
- Step 1: Write the proportion equation
5,460,602.40 : 8,190,903.60 = 5,124,023.10 : x - Step 2: Convert to fraction form
5,460,602.40/8,190,903.60 = 5,124,023.10/x - Step 3: Cross multiply
5,460,602.40x = 8,190,903.60 × 5,124,023.10 - Step 4: Simplify right side
5,460,602.40x = 41,970,379,256,273.16 - Step 5: Solve for x
x = 41,970,379,256,273.16/5,460,602.40 - Step 6: Final answer
x = 7,686,034.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.